– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 10 pm Wed 24 Jun Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 pm Wed 24 Jun Local Time
Updates in:
Update imminent hr min s
Issued: 10 pm Wed 24 Jun Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryModerate rain (total 17mm), heaviest on Fri morning. Warm (max 21°C on Wed night, min 9°C on Fri night). Wind will be generally light. | Days 5–7 Weather SummaryLight rain (total 4mm), mostly falling on Tue morning. Very mild (max 14°C on Tue afternoon, min 10°C on Sat night). Wind will be generally light. | ||||||||||||||||||
Thursday 25 | Friday 26 | Saturday 27 | Sunday 28 | Monday 29 | Tuesday 30 | ||||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  |  |  |  | | |  |  | | | | | | | | | |
clear | cloudy | cloudy | light rain | mod. rain | light rain | mod. rain | light rain | light rain | rain shwrs | rain shwrs | light rain | rain shwrs | light rain | light rain | rain shwrs | light rain | rain shwrs | rain shwrs | |
km/h | |||||||||||||||||||
 |  |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | 3 | 5 | 3 | 5 | 0.5 | 0.5 | 0.2 | 0.1 | 0.3 | 0.4 | 0.3 | 0.6 | 0.5 | 1.3 | 0.7 | 1.1 |
max °C | 21 | 17 | 16 | 14 | 11 | 13 | 12 | 10 | 13 | 13 | 12 | 13 | 12 | 12 | 13 | 13 | 12 | 14 | 13 |
min °C | 14 | 15 | 16 | 11 | 11 | 12 | 9 | 9 | 12 | 10 | 11 | 13 | 11 | 11 | 12 | 12 | 12 | 12 | 11 |
chill °C | 14 | 15 | 16 | 10 | 10 | 11 | 9 | 9 | 12 | 10 | 11 | 13 | 11 | 11 | 12 | 12 | 12 | 12 | 11 |
Freezing level m | 3400 | 3250 | 2650 | 2650 | 2450 | 2400 | 2150 | 2150 | 2500 | 2650 | 2700 | 2800 | 3100 | 3050 | 3150 | 3000 | 2650 | 2700 | 2650 |
Cloud base (m) | 6500 | 2550 | 550 | 550 | 550 | 750 | 650 | 700 | 2100 | 1700 | 800 | 650 | 650 | 600 | 850 | 550 | 700 | 750 | |
 | — | 5:05 | — | — | 5:05 | — | — | 5:05 | — | — | 5:07 | — | — | 5:07 | — | — | 5:07 | — | — |
 | — | — | — | 9:14 | — | — | 9:14 | — | — | 9:14 | — | — | 9:14 | — | — | 9:14 | — | — | 9:14 |
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South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Moderate rain (total 17mm), heaviest on Fri morning. Warm (max 21°C on Wed night, min 9°C on Fri night). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
Light rain (total 4mm), mostly falling on Tue morning. Very mild (max 14°C on Tue afternoon, min 10°C on Sat night). Wind will be generally light.
This table gives the weather forecast for South Twin Sister at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Twin Sister. To see the weather forecasts for the other elevations, use the tab navigation above the table. For a wider overview of the weather, consult the Weather Map of Washington.